A farmer said that 2/3 of his apple trees were attacked by fruit flies. If the inspection is carried out in the orchard, determine the probability that out of the 4 inspected trees 2 will be found to be affected by pests.

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A: Given

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Q: Keep cool: Following are prices, in dollars, of a random sample of ten 7.5-cubic-foot refrigerators....

A: The hypothesized mean is 355.

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Q: pls answer C

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A: We want to find the expected frequency   

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A:   Use EXCEL Procedure for finding the given values.   Follow the instruction to obtain the values:  ...

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Q: Construct a 95% confidence interval about the mean age.

A:

Q: ural towns give a life expectancy of x, = 72.6 years with a standard deviation of s, = 6.66 years. A...

A: Given, For rural towns: For urban towns: Significance level,           

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Q: Question 1b The St. Lucian Government is interested in predicting the number of weekly riders on the...

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Q: You throw 2 dice. What is the probability that the sum of the two dice will be 5?

A: General formula of probability is ,  Probability = Number of favorable outcomes Total outcomes 

Q: Use the data set for the Registered Voters A. Find the probability that a randomly selected Statisti...

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are sol...

Q: 4. A professor gives a multiple choice question on an exam for which there are only two answers: "ye...

A: Note: As per our policy we can answer only 1st question. kindly repost the remaining question. 4) Gi...

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Q: 4) Let z represent the standard normal random variable (that is, z ~ N(0,1)). Calculate the followin...

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Q: Suppose it is claimed that 40% of adults support the practice of changing clocks twice a year in obs...

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Q: Statistics students showed an average of 7.4 hours of sleep before the exam. At a=0.10, is there eno...

A: here sample size  = 34 sample mean = 7.4 alpha  = 0.10  

Q: f. Find the probability that the time will be between 17 and 40 minutes. g. Find the 45th percentile...

A:

Q: 2. Hо: H: 32.6 3. Hо H: 4> 45 4. Ho: H2 101.6 Ha 5. Ho. Haip # 0.87 6. Ho: The average IQ of Grade 1...

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Q: Identify the percentile rank of the t- distribution when t = 1.699 and df = 29. A. 90h C. 97.5h B. 9...

A: We'll answer the first question, since the exact one is not specified. Please submit a new question ...

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Q: Suppose Z follows the standard normal distribution. Calculate the following probabilities using the ...

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Q: A study conducted by the research institute of America has concluded that the mean number of hours a...

A: Given: Sample mean, x¯=18.3Sample sd, s=11.7Sample size, n=100α=0.05

Q: 9. Fun fact: 85% of adults over age 40 have children. If you randomly select 10 such adults, what is...

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Q: Based on a random sample of 1100 adults, the mean amount of sleep per night is 8.21 hours. Assuming ...

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Q: We have one (1) bin with balls. The bin contains twelve balls, three red, four green, and five blue....

A: The formula for combination is nCr = n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)]/r!. Explanation:...

Q: A. The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of...

A: Note: This probability value calculated from standard normal distribution table.

Q: What is conditional Probability?

A: We have to define conditional probability.  

Q: rite the complete solution in your paper. But pick the decision here. O Fail to reject Ho.

A: Given 10.2, 9.7, 10.1,10.3, 10.1,9.8, 9.9, 10.4, 10.3, and 9.8 liters. Use a 0.01 level of significa...

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Q: 2. Service calls come to a maintenance center according to a Poisson process and, on the average, 2....

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Q: The paper says there is an 80% chance of rain today, so you plan indoor activities. Then it doesn't ...

A: The objective is to find out if there is an 80% of rain and it doesn't rain, was the forecast wrong.

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Q: What is the probability of drawing 2 red balls and then 3 blue balls from an urn containing 6 red ba...

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Q: From the data given below find out the consumer price index numbers for- the year 1997 and 1998. Gro...

A: